CN2101611U - Music alarm for steering and backing of car - Google Patents
Music alarm for steering and backing of car Download PDFInfo
- Publication number
- CN2101611U CN2101611U CN 91224418 CN91224418U CN2101611U CN 2101611 U CN2101611 U CN 2101611U CN 91224418 CN91224418 CN 91224418 CN 91224418 U CN91224418 U CN 91224418U CN 2101611 U CN2101611 U CN 2101611U
- Authority
- CN
- China
- Prior art keywords
- circuit
- cap
- housing
- hole
- backing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The utility model discloses a music alarm for steering and backing of a car, which is composed of a circuit board, a loudspeaker and an outer shell. The music alarm for steering and backing of a car is characterized in that the circuit board 9 is provided with an and circuit 1, a voltage regulating circuit 2, a divider circuit 3, a music signal circuit 4 and a power amplification circuit 5. The entirety of the music alarm for steering and backing of a car can be fixed on the relevant position of the automotive vehicle through an installing through hole. The music alarm for steering and backing of a car has the main features of high integration level, small size, light weight, vibration protection, bumping protection, simple structure, low cost, non-perishable damage and resonant sound, and is an ideal music alarm for promoting steering, backing and safety.
Description
The utility model relates to a kind of annunciator, is a kind of safety instruction music alarm that turns to, moves backward of automobile or other power actuated vehicle.
At present, though had multiple annunciator, but it is reported and exist following scarce limit: the circuit that 1, has, complex structure, some not elements of antivibration or antivibration ability have been adopted, as: oscillation transformer, input and output voltage transformer and musical film etc., thereby under the ripple of the strong top of power actuated vehicle, very easily damage; 2, piezoelectric ceramic piece is partly adopted in the pronunciation that has, thereby sound is too little, is difficult for attracting much attention, and does not have the purpose of warning; 3, the voltage stabilizing, the reduction voltage circuit that have are unreliable, do voltage following time at 24 couchers, the time fault that burns out is arranged, influence the safe operation of power actuated vehicle.
The purpose of this utility model be to design a kind of simple in structure, circuit is reliable, sound is loud and clear, strong, the non-damageable motor vehicle safety of antivibration ability prompting music alarm, in order to deficiency that overcomes existing power actuated vehicle music alarm and the riving condition that improves power actuated vehicle.
The utility model is achieved in that
The utility model is made up of circuit card, Yang Sheng device and shell.Circuit card is a printed circuit board (PCB), and the circuit on it is made up of AND circuit, mu balanced circuit, bleeder circuit, music circuit, power amplifier.AND circuit is by diode D
1, D
2, D
3Form D
1, D
2, D
3Be the IN4007 silicon rectifier diode.It is I that 7809 voltage stabilizers are arranged in the mu balanced circuit
C1, 7809 voltage stabilizers are the commercially available piece that amasss into.Bleeder circuit is by resistor R
1, R
2, capacitor C is formed, resistor R
1, R
2Resistance is identical, is conventional, electric-resistance, and capacitor C is general chemical capacitor.Adopting integrated circuit music " aerotron " VT66A in the music circuit is I
C2As the music signal source.Power amplifier is born by aerotron BG, and BG is common high-power power tube.The Yang Sheng device is commercially available 8 Europe, 0.25VA Yang Sheng device.Shell is made up of housing and cap, and housing is band round-ended cylinder shape, and open end has the right angle round edge, and through hole is arranged on the round edge, and wire hole is arranged on the barrel.Cap is the open circles box-like, has in the cap and cap bonded assembly muscle ring, and three cylinders are arranged on the muscle ring, and fixing threaded hole is arranged on the cylinder.Several louvers are arranged in the muscle ring.Cap one side has a triangle reinforced rib, and the annunciator mounting hole is arranged on the reinforced rib, uses for fixing whole annunciator.Circuit card is installed in the housing upper end, and the Yang Sheng device is installed in the cap muscle ring, and Yang Sheng device playback face is towards louver.Housing is connected by three screws with cap.This shell structurally is well to help the operatic tunes, and housing, cap are made with metal, plastics and bakelite.
The utility model has the advantages that integrated degree of changing into height, Gu and volume is little, in light weight, anti-vibration, anti-top ripple, simple in structure, cheap, circuit is reliable, sound is loud and clear, be a kind of desirable power actuated vehicle turn to reversing safety instruction music alarm.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is a functional-block diagram of the present utility model
Fig. 2 is an electrical schematic diagram of the present utility model
Fig. 3 is a circuit card front view of the present utility model
Fig. 4 is a circuit card back view of the present utility model
Fig. 5 is an assembly structure figure of the present utility model.
As Fig. 1-5, among the figure, 1, AND circuit; 2, mu balanced circuit; 3, bleeder circuit; 4, music signal circuit; 5, power amplifier; 6, Yang Shengqi; 7, resistor; 8, capacitor C; 9, circuit card; 10, radiating gill; 11, housing; 12, wire hole; 13, through hole; 14, vocal hole; 15, fixing threaded hole; 16, cap; 17, through hole is installed, 18, plate fixing hole.
AND circuit (1) is by diode D
1, D
2, D
3Form D
1, D
2, D
3Be the IN4007 silicon rectifier diode.Mu balanced circuit has 7809 voltage stabilizers in (2), is I
C1, I
C1Be the commercially available piece that amasss into.I
C1The last need installed radiating gill (10), and its material is an aluminium sheet.Bleeder circuit (3) is made up of resistor (7) and capacitor C (8), and resistor (7) is two resistance that resistance is identical, i.e. R
1, R
2Capacitor C (8) is common chemical capacitor.It is I that integrated circuit music " aerotron " VT66A is adopted in music signal circuit (4) lining
C2As the music signal source.Power amplifier (5) is born by aerotron BG, and BG is common large power triode.Yang Sheng device Y(6) be commercially available 8 Europe, 0.25VA Yang Sheng device, foregoing circuit and element are manufactured and are installed on the circuit card (9) by electrical schematic diagram 1.Shell is made up of housing (11) and cap (16).Housing (11) is band round-ended cylinder shape, and open end has straw hat shape round edge, and through hole (13) is arranged on the round edge, on housing (11) wall wire hole (12) is arranged.Cap (16) is the open circles box-like, and connected muscle ring is arranged in the cap (16), and three cylinders are arranged on the muscle ring, and fixing threaded hole (15) is arranged on the cylinder.Several louvers (14) are arranged in the muscle ring.Cap (16) one sides have a triangle reinforced rib, and annunciator mounting hole (17) is arranged on the reinforced rib, use for fixing whole annunciator.As shown in Figure 5, circuit card (9) is by plate fixing hole (18) end mounted thereto in the housing (11), and Yang Shengqi (6) is installed in the muscle ring of cap (16), and Yang Shengqi (6) playback face is towards louver (14).Housing (11) is connected with three screws by fixing threaded hole (15) with cap (16).Housing (11) and cap (16) are made with metal, plastics or bakelite.
During use, by through hole (17) being installed selecting the installation site away from the higher place of motor car engine, water tank, freeing pipe and temperature, select easy installation, install the position that does not influence sounding and water proof and dust proof.After installing, four outlets of stretching out in the wire hole (12) are connected to the relevant position, i.e. yellow line ground connection nearby, three red lines are connected to and turn to, after the reversing switch, get final product before the Der Blink und Abblendschalter.
Claims (5)
1, a kind of power actuated vehicle of being made up of circuit card (9), Yang Shengqi (6), housing (11) and cap (16) safety instruction music alarm that turns to, moves backward is characterized in that AND circuit (1), mu balanced circuit (2), bleeder circuit (3), music signal circuit (4) and power amplifier (5) are arranged on the circuit card (9).
2, annunciator according to claim 1 is characterized in that on the AND circuit (1) diode D being arranged
1, D
2, D
3Mu balanced circuit has 1 on (2)
C1Resistor (7) is arranged, i.e. R on the bleeder circuit (3)
1, R
2, capacitor C (8); The music signal circuit has I on (4)
C2Power amplifier has aerotron BG on (5).
3, annunciator according to claim 1 is characterized in that housing (11) is band round-ended cylinder shape, and open end has straw hat shape round edge, and through hole (13) is arranged on the round edge, and wire hole (12) is arranged on housing (11) wall; Cap (16) is the open circles box-like, and connected muscle ring is arranged in it, and three cylinders are arranged on the muscle ring, fixing threaded hole (15) is arranged on the cylinder, several louvers (14) are arranged in the muscle ring, and cap (16) one sides have a triangle reinforced rib, and annunciator mounting hole (17) is arranged on the reinforced rib.
4, annunciator according to claim 1, it is characterized in that circuit card (9) is by the interior plate fixing hole of housing (11) (18) end mounted thereto, Yang Sheng device (6) is installed in the muscle ring of cap (16), playback face is towards louver (14), and housing (11) is connected with three screws by fixing threaded hole (15) with cap (16).
5, annunciator according to claim 1 is characterized in that housing (11) and cap (16) make with metal, plastics or bakelite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91224418 CN2101611U (en) | 1991-09-02 | 1991-09-02 | Music alarm for steering and backing of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91224418 CN2101611U (en) | 1991-09-02 | 1991-09-02 | Music alarm for steering and backing of car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2101611U true CN2101611U (en) | 1992-04-15 |
Family
ID=4930894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91224418 Granted CN2101611U (en) | 1991-09-02 | 1991-09-02 | Music alarm for steering and backing of car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2101611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147961A (en) * | 2017-05-25 | 2017-09-08 | 宁波东方电子有限公司 | A kind of high sound level acoustical generator and its manufacture method |
-
1991
- 1991-09-02 CN CN 91224418 patent/CN2101611U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147961A (en) * | 2017-05-25 | 2017-09-08 | 宁波东方电子有限公司 | A kind of high sound level acoustical generator and its manufacture method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |